CN114725850B - Energy-saving cable bridge - Google Patents

Abstract

The application relates to an energy-saving cable bridge, which relates to the field of cable bridges, and comprises a bridge body and a cover plate connected to the bridge body, wherein the bridge body comprises a bottom plate and two side plates connected to two sides of the bottom plate, the cover plate is connected with the two side plates, a gas channel is formed in the bottom plate, a vent is formed in one side of the bottom plate, facing the cover plate, of the bottom plate, the vent is communicated with the gas channel, a communication valve is arranged in the gas channel, an air inlet groove is formed in the bottom plate, a blocking piece for opening or closing the air inlet groove is arranged on the air inlet groove, the air inlet groove is communicated with the gas channel, a sliding groove is formed in the side plate, and a pressure component is arranged in the sliding groove. The application has the advantages of reducing the loss of the cable in the current conveying process and saving energy.

Description

Energy-saving cable bridge

Technical Field

The application relates to the field of cable bridges, in particular to an energy-saving cable bridge.

Background

The cable bridge frame is divided into a groove type structure, a tray type structure, a ladder frame type structure, a grid type structure and the like, and consists of a bracket, a bracket arm, an installation accessory and the like. The bridge frame in the building can be independently erected, can be laid on various building (construction) structures and pipe gallery brackets, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like, all parts are required to be galvanized, and the bridge frame is installed outside the building.

In the related art, chinese patent publication No. CN215221595U discloses a high-strength cable bridge, which comprises a hanging frame, a bridge body and a cover plate, wherein the bridge body comprises a left side plate and a right side plate, and the lower ends of the left side plate and the right side plate are connected with pressing flanges in a sheet metal flattening mode; the pressing flanges are connected through a bottom plate; the bottom plate divides the bridge body into a mounting groove and a supporting groove; the hanging frame is positioned at the outer side of the bridge frame body, and the bottom of the hanging frame is embedded into the supporting groove; the two sides of the hanging frame are connected with compression screws in a threaded manner, and the compression screws are positioned at two sides of the supporting groove; the thread end of the compression screw is connected with a pressing plate.

In view of the above related art, the inventors consider that in order to improve the structural strength of the bridge, a good protective effect is provided for the cable, so that the defect of poor heat dissipation of the bridge is easily present, and the loss of the cable in the current transmission process is easily increased, thereby increasing the current transportation cost and wasting energy.

Disclosure of Invention

In order to reduce the loss of the cable in the current conveying process and achieve the effect of saving energy, the application provides an energy-saving cable bridge.

The application provides an energy-saving cable bridge, which adopts the following technical scheme:

The utility model provides an energy-conserving cable testing bridge, includes the testing bridge body and connects the apron on the testing bridge body, the testing bridge body includes the bottom plate and connects two curb plates in the bottom plate both sides, the apron is two the curb plate is connected, gas passage has been seted up in the bottom plate, the orientation has been seted up on the bottom plate the air vent has been seted up to apron one side, the air vent with gas passage intercommunication, be equipped with in the gas passage and be used for the intercommunication valve, the air inlet has been seted up on the bottom plate, be equipped with the shutoff piece that is used for opening or closing the air inlet on the air inlet, the air inlet with gas passage intercommunication, the spout has been seted up in the curb plate, be equipped with pressure component in the spout.

Through adopting above-mentioned technical scheme, the cable is placed between crane span structure body and apron, the cable can produce heat in carrying the electric current in-process, in order to reduce great heat and bring the unnecessary loss of cable, open the shutoff piece, pressure component removes the increase cavity area, draw in the gas channel with external gas from the inlet channel, again with shutoff piece shutoff inlet channel, pressure component promotes gas afterwards, make gas compressed, pressure increase and promote the communication valve to open, gas is compressed to between crane span structure body and the apron from the air vent, be used for cooling down the cable, thereby reduce the loss of cable in the electric current transportation in-process, play the effect of energy saving.

Optionally, the pressure component includes the piston of sliding connection in the spout and connects the actuating lever on the piston, the piston lateral wall with spout lateral wall slip laminating, be equipped with the drive assembly that the drive actuating lever removed on the apron.

Through adopting above-mentioned technical scheme, drive assembly drive actuating lever removes to promote the piston and slide in the spout, through the position of change piston in the spout, change the volume of the spout of being connected with gas passage, thereby realize extracting outside gas, and compressed gas passage and spout internal gas, with the effect of gas discharge to cable placement department, play the cooling effect for the cable, thereby reduce the loss of cable in the electric current transport, play the effect of energy saving.

Optionally, the drive assembly is including being located double-end cylinder in the apron, connect the movable rod of double-end cylinder output, connect and be used for driving the piston to be close to the first drive block that bottom plate one side moved on the movable rod and connect and be used for driving the piston to be away from the second drive block that bottom plate one side moved on the movable rod, first drive block with the second drive block is the wedge, the actuating lever deviate from piston one end be equipped with the first drive groove of first drive block slip conflict, the second drive groove has been seted up on the actuating lever, the second drive groove is close to first drive groove one side and is the slope setting, and is close to with first drive groove is close to second drive groove one side lateral wall parallel, the second drive groove is close to the lateral wall of first drive groove one side with the second drive block slip conflict.

By adopting the technical scheme, the two output ends of the double-head cylinder are pushed out or recovered simultaneously to drive the movable rod to move along the length direction of the cylinder body of the double-head cylinder, when the output ends of the double-head cylinder are recovered, the wedge-shaped surface of the second driving block props against the side wall of the second driving groove, which is close to one side of the first driving groove, and under the guiding action of the wall of the second driving groove, the driving rod and the piston are pushed to move towards one side far away from the bottom plate, so that the volume of the chute, which is communicated with the gas channel, is increased, the gas containing area is increased, and the external air is stored in the gas channel and the part, which is communicated with the gas channel; when the output end of the double-end air cylinder is pushed out, the wedge-shaped surface of the first driving block is abutted against the first driving groove, the piston is pushed to move towards one side close to the bottom plate under the guiding action of the sliding groove and the piston, the sliding groove and the air in the air channel connected with the sliding groove are compressed, the communication valve is pushed to be opened by means of air pressure, so that air is discharged from the air vent and acts on the surface of the cable.

Optionally, fixedly connected with rack on the actuating lever lateral wall, set up the standing groove on the curb plate inner wall, the standing groove internal rotation is connected with a plurality of gears, a plurality of all fixedly connected with flabellum on the gear, a plurality of the gear all with the rack meshing.

Through adopting above-mentioned technical scheme, the rack moves along with the actuating lever, and rack and gear engagement drive gear rotation to drive the flabellum and fan in the crane span structure is this internal, accelerate the internal air flow of crane span structure, thereby play the cooling effect.

Optionally, a ventilation groove is formed in the side plate, and the ventilation groove is communicated with the placing groove.

Through adopting above-mentioned technical scheme, the ventilation groove is used for the internal and outside the crane span structure body of intercommunication crane span structure to realize the effect of the cable cooling in the acceleration crane span structure body.

Optionally, the shutoff piece sliding connection is a shutoff section of thick bamboo on the air inlet tank, connect the slide bar on the shutoff section of thick bamboo and fixed connection adapter sleeve on the piston, slide bar sliding connection is in on the adapter sleeve, the slide bar with be equipped with the connecting piece between the adapter sleeve, the holding tank has been seted up in the slide bar, the connecting piece includes the locking lever of sliding connection in the holding tank and connects the locking lever with the locking spring of holding tank bottom, set up on the adapter sleeve and supply locking hole that locking spring pegged graft, fixedly connected with conflict pole on the spout inner wall, conflict pole is in lie in on the adapter sleeve the axis of locking hole place one side.

Through adopting above-mentioned technical scheme, when the piston moved to keeping away from bottom plate one side, adapter sleeve and slide bar sliding fit earlier, the spout volume increase of being connected with the gas channel this moment produced the power of moving to apron one side to the shutoff section of thick bamboo under the atmospheric pressure effect, until the locking lever peg graft in the locking downthehole under locking spring's thrust, adapter sleeve and slide bar are fixed relatively, along with the piston removes, under the pulling force effect of adapter sleeve and slide bar, drive shutoff section of thick bamboo to leaving the motion of air inlet tank one side, make things convenient for gas to enter into in the gas channel from the air inlet tank.

Optionally, the air inlet inslot internal rotation is connected with the rotary drum, the shutoff section of thick bamboo is located in the rotary drum, the helicla flute has been seted up on the rotary drum, helicla flute length direction is followed rotary drum direction of height sets up, fixedly connected with guide bar on the shutoff section of thick bamboo, follow on the air inlet tank lateral wall the guide way has been seted up to air inlet tank length direction, the guide bar runs through the helicla flute, sliding connection is in the guide way, the shutoff section of thick bamboo is kept away from adapter sleeve one side is equipped with the opening, the intercommunication groove has been seted up on the shutoff section of thick bamboo lateral wall.

Through adopting above-mentioned technical scheme, when shutoff section of thick bamboo to apron one side removal, the guide bar slides in helicla flute and guide way, moves in the helicla flute along with the guide bar, drives the rotary drum and rotates, and the intercommunication groove removes to in the gas passage simultaneously, and in the gas enters into the shutoff section of thick bamboo this moment, enters into in the gas passage through the intercommunication groove.

Optionally, inlet channel tip fixedly connected with baffle, fixedly connected with is contradicted the board on the rotary drum, contradict the board with the baffle is contradicted, the inlet port has been seted up on the baffle, the rotatable shielding of contradicting the board is in inlet port department.

Through adopting above-mentioned technical scheme, in order to improve the sealed effect in the gas channel, when the shutoff section of thick bamboo is located the air inlet tank completely, the conflict board is contradicted on the air inlet completely, and when the shutoff section of thick bamboo moved and left the air inlet tank in-process, the conflict board breaks away from the air inlet gradually, when the removal stroke extreme position of shutoff section of thick bamboo was moved to the shutoff section of thick bamboo, the conflict board breaks away from the air inlet completely this moment, makes things convenient for gas to enter into in the gas channel.

Optionally, the communication valve includes fixed plate, articulated closing plate on the gas passageway inner wall and the connection of fixed plate in the gas passageway with reset spring between the gas passageway inner wall, the fixed plate is connected on the gas passageway is kept away from on the lateral wall of apron one side, the closing plate is connected on the gas passageway is close to on the lateral wall of apron one side, the closing plate is located the fixed plate is close to bottom plate center one side under reset spring's thrust effect, the closing plate with the fixed plate is contradicted.

Through adopting above-mentioned technical scheme, under the thrust effect of closing plate self gravity and reset spring, when not receiving other exogenic actions, the closing plate is contradicted on the fixed plate, reduces the possibility of gas leakage, and when the piston moved to apron one side, the internal air pressure of gas channel reduced, and the closing plate overturns to fixed plate one side, contradicts on the fixed plate, and when the piston moved to bottom plate one side, the internal air pressure of gas channel increased, promotes the closing plate to keep away from the articulated upset of fixed plate one side, makes gas follow the vent and acts on the cable.

Optionally, a sealing groove is formed in the sealing plate, a connecting groove is connected to the fixing plate, and the sealing groove is in contact with the side wall of the connecting groove.

Through adopting above-mentioned technical scheme, seal groove contradicts with the spread groove, can improve the sealed effect of being connected between fixed plate and the closing plate, improves the gas tightness to improve the cooling effect to the cable, further reduce the loss of cable in the electric current transportation process, play the effect of energy saving.

In summary, the application has the following beneficial technical effects:

1. through seting up gas passage, the air vent, air inlet tank and spout to set up communication valve, shutoff piece and pressure component, can make to open the shutoff piece, the pressure component removes the spout area that increases and gas passage is connected, in drawing the gas passage with outside air, again with shutoff piece shutoff in air inlet tank department, through the compressed gas of pressure component, make the communication valve open, gas enters into in the bridging body from the air vent, with gas effect between the cable for reduce cable heat, thereby reduce the loss of cable in the electric current transportation process, play the effect of energy saving.

2. Through the movable rod connected to the output end of the double-head cylinder, the first driving block and the second driving block connected to the movable rod, and the first driving groove and the second driving groove arranged on the movable rod, when the movable rod moves under the drive of the double-head cylinder, the first driving block is made to slide against the first driving groove, the second driving block is made to slide against the groove wall of the second driving groove arranged on the inclined bolt, so that the driving rod slides along the direction perpendicular to the bottom plate under the guiding effect, and the piston is further driven to slide in the sliding groove, and air suction and air exhaust are performed.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an energy-saving cable bridge according to an embodiment of the application.

Fig. 2 is a top view of an energy efficient cable tray according to an embodiment of the application.

Fig. 3 is a cross-sectional view at A-A in fig. 2.

Fig. 4 is an enlarged view at B in fig. 3.

Fig. 5 is a schematic diagram of a connection between a plugging cylinder and a rotating cylinder in an energy-saving cable bridge according to an embodiment of the present application.

Fig. 6 is a cross-sectional view of an energy-efficient cable tray bridge according to an embodiment of the present application.

Fig. 7 is an enlarged view at C in fig. 3.

Fig. 8 is a schematic view of a connection between a driving rod and a driving assembly in the energy-saving cable bridge according to the embodiment of the application.

Reference numerals illustrate: 1. a bridge body; 11. a bottom plate; 111. a gas channel; 112. a vent; 113. an air inlet groove; 114. a touch-up rod; 115. a guide groove; 116. a baffle; 117. an air inlet hole; 12. a side plate; 121. a chute; 122. a ventilation groove; 123. a placement groove; 13. a cover plate; 131. a cavity; 2. a communication valve; 21. a fixing plate; 22. a sealing plate; 23. a return spring; 211. a connecting groove; 212. sealing grooves; 3. a blocking member; 31. a plugging cylinder; 32. a slide bar; 33. connecting sleeves; 311. a guide rod; 312. a communication groove; 321. a receiving groove; 331. a locking hole; 332. a first arc-shaped groove; 333. a second arc-shaped groove; 4. a connecting piece; 41. a locking lever; 42. a locking spring; 5. a rotating drum; 51. a spiral groove; 52. a contact plate; 6. a pressure assembly; 61. a piston; 62. a driving rod; 621. a first driving groove; 622. a second driving groove; 623. a connecting rod; 624. a rack; 625. a gear; 626. a fan blade; 71. A double-headed cylinder; 72. a movable rod; 73. a first driving block; 74. and a second driving block.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

The embodiment of the application discloses an energy-saving cable bridge.

Referring to fig. 1, the energy-saving cable bridge comprises a bridge body 1 and a cover plate 13 connected to the bridge body 1, wherein the bridge body 1 comprises a bottom plate 11 and two side plates 12 connected to two sides of the bottom plate 11, the bottom plate 11 and the side plates 12 are integrally formed, and the cover plate 13 is connected to the two side plates 12 through bolts.

Referring to fig. 2 and 3, a gas channel 111 is formed in the bottom plate 11, a plurality of air vents 112 are formed in the bottom plate 11 toward one side of the cover plate 13, the plurality of air vents 112 are all communicated with the gas channel 111, a communication valve 2 is arranged in the gas channel 111, and the communication valve 2 is located at two ends of the bottom plate 11, namely, at two sides of the plurality of air vents 112 close to the two side plates 12.

Referring to fig. 3 and 4, the communication valve 2 is provided with two sets along the width direction of the bottom plate 11, the communication valve 2 includes a fixed plate 21 fixedly connected in the gas channel 111, a sealing plate 22 hinged on the inner wall of the gas channel 111, and a return spring 23 connected between the sealing plate 22 and the inner wall of the gas channel 111, the sealing plate 22 is connected on the side wall of the gas channel 111 near the cover plate 13, a sealing groove 212 is provided on the side of the sealing plate 22 away from the hinge point with the gas channel 111, the fixed plate 21 is fixedly connected on the side wall of the gas channel 111 away from the cover plate 13, and a connecting groove 211 is provided on the side wall of the fixed plate 21 away from the connection with the gas channel 111.

Referring to fig. 3 and 4, the sealing plate 22 is located on one side of the fixing plate 21 near the center of the bottom plate 11, two groups of communication valves 2 are symmetrically arranged along the width direction of the bottom plate 11, the return spring 23 is in a compressed state, and under the thrust of the return spring 23, the sealing plate 22 is pushed to turn over and hinge, so that the side wall of the sealing groove 212 is in abutting fit with the side wall of the connecting groove 211.

Referring to fig. 3, the bottom plate 11 is provided with an air inlet groove 113, the air inlet groove 113 communicates with the air passage 111, and the air inlet groove 113 is located at an end portion of the bottom plate 11 near the width direction of the bottom plate 11 and on the height extension line of the two side plates 12.

Referring to fig. 3, 5 and 6, the drum 5 is rotatably connected to the air inlet groove 113, the drum 5 is provided with a spiral groove 51 along the circumferential direction of the drum 5, the spiral groove 51 is provided along the height direction of the drum 5 along the length direction of the spiral groove 51, and the spiral groove 51 penetrates through the side wall of the drum 5.

Referring to fig. 5 and 6, a section of the air inlet groove 113 away from the cover plate 13 is fixedly connected with a baffle 116, the rotary drum 5 is fixedly connected with a collision plate 52, the collision plate 52 is in collision fit with the baffle 116, the baffle 116 is provided with an air inlet hole 117, and the collision plate 52 can be rotatably blocked at the air inlet hole 117.

Referring to fig. 5 and 6, the air inlets are fan-shaped, at least one air inlet can be provided, three air inlets are provided in the embodiment of the application, the shapes and sizes of the three air inlets are the same, the fan-shaped angle of the air inlet is 60 °, three interference plates 52 are matched with the air inlets, the three interference plates 52 are uniformly arranged along the circumferential direction of the air inlet groove 113, and the three interference plates 52 are fixedly connected and connected with the end part of the rotary drum 5.

Referring to fig. 3 and 6, a plugging member 3 for opening and closing the air inlet slot 113 is disposed in the drum 5, the plugging member 3 includes a plugging drum 31 sliding along the length direction of the rotating shaft, a sliding rod 32 connected to one end of the plugging drum 31 deviating from the baffle 116, and a connecting sleeve 33 slidably connected to the sliding rod 32, a guide rod 311 is fixedly connected to the side wall of the plugging drum 31, a guide slot 115 is disposed on the side wall of the air inlet slot 113 along the length direction of the air inlet slot 113, the guide rod 311 penetrates through the spiral slot 51 and is slidably connected in the guide slot 115, a connecting slot 211 is disposed on the side wall of the plugging drum 31, the connecting slots 211 are disposed along the length direction of the plugging drum 31, a plurality of connecting slots are uniformly disposed along the circumferential direction of the plugging drum 31, and one end of the plugging drum 31 close to the abutting plate 52 is disposed in an opening.

Referring to fig. 3 and 5, when it is desired to block the air inlet, when the guide bar 311 moves along the entire stroke in the spiral groove 51, the drum 5 rotates by half a turn under the action of the guide bar 311 and the spiral groove 51, and at this time, the interference plate 52 passes through one of the air inlets and then blocks the air inlet adjacent to the air inlet.

Referring to fig. 7, a connecting piece 4 is disposed between a sliding rod 32 and a connecting sleeve 33, a containing groove 321 is formed in the sliding rod 32, the connecting piece 4 comprises a locking rod 41 slidingly connected in the containing groove 321 and a locking spring 42 connected at the bottom of the locking rod 41 and the bottom of the containing groove 321, a locking hole 331 for inserting the locking spring 42 is formed in the connecting sleeve 33, one end of the locking rod 41, deviating from the locking spring 42, is arranged in an arc shape, a sliding groove 121 is formed in a side plate 12, an abutting rod 114 is fixedly connected to the inner wall of the sliding groove 121, the abutting rod 114 abuts against the connecting sleeve 33 and is located on the same axis with the locking hole 331, and the end, close to one end of the connecting sleeve 33, of the abutting rod 114 is arranged in an arc shape.

Referring to fig. 7, a first arc groove 332 for sliding the locking rod 41 is formed on the inner wall of the connecting sleeve 33 along the length direction of the connecting sleeve 33, a second arc groove 333 for sliding the abutting rod 114 is formed on the outer wall of the connecting sleeve 33 along the length direction of the connecting sleeve 33, and the first arc groove 332 and the second arc groove 333 are located on the same radial direction of the connecting cylinder.

Referring to fig. 6 and 8, the chute 121 is communicated with the gas channel 111, a pressure assembly 6 is disposed in the chute 121, the pressure assembly 6 includes a piston 61 slidably connected in the chute 121 and a driving rod 62 connected to the piston 61, the side wall of the piston 61 is slidably attached to the side wall of the chute 121, the movable rod 72 is located on one side of the piston 61 close to the cover plate 13, one end of the piston 61 away from the movable rod 72 is fixedly connected with the end of the connecting sleeve 33, and one end of the movable rod 72 away from the piston 61 slides in the cover plate 13 along a direction perpendicular to the cover plate 13.

Referring to fig. 3, a cavity 131 is formed in the cover plate 13, a driving assembly for driving the driving rod 62 to move along the length direction of the chute 121 is arranged in the cavity 131, the driving assembly comprises a double-head cylinder 71 positioned in the cavity 131, a movable rod 72 connected to the output end of the double-head cylinder 71, a first driving block 73 connected to the movable rod 72 and used for driving the piston 61 to move towards the side close to the bottom plate 11, and a second driving block 74 connected to the movable rod 72 and used for driving the piston 61 to move towards the side far away from the bottom plate 11, and the double-head cylinder 71 synchronously drives pushing out or synchronously drives retracting cylinders for two output ends.

Referring to fig. 8, the first driving block 73 and the second driving block 74 are wedge-shaped blocks, and the first driving block 73 and the second driving block 74 are arranged in central symmetry about a midpoint of a connecting line of the two driving blocks, that is, two inclined surfaces of the first driving block 73 and the second driving block 74 are parallel and oppositely arranged. The end face of one end of the driving rod 62, which is away from the piston 61, is provided with a first driving groove 621 and is in sliding interference with the first driving block 73, a second driving groove 622 is formed in the side wall of the driving rod 62, the second driving groove 622 is used for being in plug-in fit with the second driving block 74, one side of the second driving groove 622, which is close to the first driving groove 621, is obliquely arranged, is parallel to the first driving groove 621 and is in sliding interference with the second driving block 74, the first driving groove 621 of the driving rod 62 is always in sliding interference with the first driving block 73, and the second driving groove 622 of the driving rod 62 is always in interference with the second driving block 74, namely, the driving rod 62 is not separated from the interference of the first driving block 73 and the second driving block 74.

Referring to fig. 6, a rack 624 is fixedly connected to a side wall of the driving rod 62 through a connecting rod 623, a placing groove 123 is formed in an inner wall of the side plate 12, a plurality of gears 625 are rotatably connected to the placing groove 123, three gears 625 are arranged along the height direction of the side plate 12 in the embodiment of the application, the three gears 625 are meshed with the rack 624, a fan blade 626 is fixedly connected to the gears 625, and the fan blade 626 is located in the bridge body 1.

Referring to fig. 6, the side plate 12 is provided with a ventilation groove 122, the ventilation groove 122 is communicated with a placement groove 123 for gas flow, and the placement groove 123 and the ventilation groove 122 are both positioned between the maximum travel position of the piston 61 toward the side close to the cover plate 13 and the cover plate 13.

The implementation principle of the embodiment is as follows: the cable is placed on the bridge body 1 and the cover 13 is mounted on top of the bridge body 1.

The double-headed cylinder 71 works to drive the movable rod 72, the first driving block 73 and the second driving block 74 to move, when the movable rod 72 moves to the side where the double-headed cylinder 71 is located, the second driving block 74 is inserted into the second driving groove 622, the driving rod 62 is pushed to move away from the side of the bottom plate 11 by abutting the side wall of the second driving block 74 through the second driving groove 622, at the moment, the volume between the gas channel 111 and the sliding groove 121 between the communication valve 2 and the piston 61 is increased, the air pressure is reduced, the connecting sleeve 33 is pulled to slide on the sliding rod 32 along with the continuous movement of the piston 61, the connecting sleeve 33 is separated from the abutting rod 114 until the locking rod 41 is inserted into the locking hole 331, at the moment, the connecting sleeve 33 and the sliding rod 32 are relatively static, the piston 61 continues to move upwards, the sealing cylinder 31 moves towards the direction where the cover plate 13 under the action of the pressure and the action of the guiding rod 311 until the air inlet is communicated with the gap between the two abutting plates 52, at the moment, the connecting groove 211 on the sealing cylinder 31 is positioned in the gas channel 111, and the external air is under the action, and the air inlet passes through the connecting groove 211 and enters the gas channel 111. Meanwhile, the driving rod 62 drives the rack 624 to move, so that the gear 625 is driven to rotate, and the fan blades 626 are driven to fan in the bridge body 1 through the rotation of the gear 625, so that the air outside the bridge body 1 acts on the surface of the cable through the ventilation groove 122 and the placement groove 123;

When the movable rod 72 moves to the side far away from the double-head air cylinder 71, the first driving block 73 is abutted against the first driving groove 621 on the driving rod 62, the driving rod 62 and the piston 61 are pushed to move to the direction of the bottom plate 11, the plugging cylinder 31 is pushed to be plugged in the rotary cylinder 5 completely under the action of the connecting sleeve 33, the sliding rod 32 and air pressure, the abutting rod 114 is abutted against the locking hole 331 at the moment, the locking rod 41 is pushed out of the locking hole 331, the piston 61 continues to move downwards, and the connecting sleeve 33 is in sliding fit with the sliding rod 32 at the moment;

At this time, the total volume of the gas channel 111 and the chute 121 between the communication valve 2 and the piston 61 is reduced, the pressure is increased, the sealing plate 22 is pushed to turn around the hinge point to leave the fixed plate 21 under the action of the pressure, at this time, the gas flows between the sealing plate 22 and the fixed plate 21, acts on the surface of the cable through the air vent 112, cools the cable, reduces the loss of the cable in the current transmission process, plays an energy-saving effect, and the fan blade 626 is always in a swinging state under the action of the rack 624 and the gear 625 in the moving process of the driving rod 62.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides an energy-conserving cable testing bridge, includes testing bridge body (1) and connects apron (13) on testing bridge body (1), testing bridge body (1) include bottom plate (11) and connect two curb plates (12) in bottom plate (11) both sides, apron (13) are connected with two curb plate (12), its characterized in that: the utility model provides a gas channel (111) has been seted up in bottom plate (11), orientation on bottom plate (11) air vent (112) has been seted up to apron (13) one side, air vent (112) with air vent (111) intercommunication, be equipped with in air vent (111) and be used for intercommunication valve (2), air inlet (113) have been seted up on bottom plate (11), be equipped with on air inlet (113) and be used for opening or closing shutoff piece (3) of air inlet (113), air inlet (113) with air vent (111) intercommunication, spout (121) have been seted up in curb plate (12), be equipped with pressure subassembly (6) in spout (121), pressure subassembly (6) are including piston (61) of sliding connection in spout (121) and actuating lever (62) of connection on piston (61), piston (61) lateral wall with spout (121) lateral wall slip laminating, be equipped with the actuating assembly that actuating lever (62) moved on apron (13), actuating assembly includes being located in the apron (12) spout (121) has been seted up in spout (121), be equipped with in spout (121) in (12) and be equipped with in (6) in (13) respectively Connect first drive block (73) that are used for driving piston (61) to being close to bottom plate (11) one side and connect second drive block (74) that are used for driving piston (61) to being away from bottom plate (11) one side and remove on movable rod (72), first drive block (73) with second drive block (74) are the wedge, actuating lever (62) deviate from piston (61) one end be equipped with first drive groove (621) of first drive block (73) slip conflict, second drive groove (622) have been seted up on actuating lever (62), second drive groove (622) are close to first drive groove (621) one side and are the slope setting, and are close to with first drive groove (621) second drive groove (622) one side lateral wall parallel, second drive groove (622) are close to the lateral wall of first drive groove (621) one side with second drive block (74) slip conflict.

2. The energy efficient cable tray of claim 1, wherein: the rack (624) is fixedly connected to the side wall of the driving rod (62), the placing groove (123) is formed in the inner wall of the side plate (12), a plurality of gears (625) are rotationally connected to the placing groove (123), fan blades (626) are fixedly connected to the gears (625), and the gears (625) are meshed with the rack (624).

3. The energy efficient cable tray of claim 2, wherein: and the side plate (12) is provided with a ventilation groove (122), and the ventilation groove (122) is communicated with the placing groove (123).

4. The energy efficient cable tray of claim 1, wherein: the plugging piece (3) is slidably connected with the plugging barrel (31) on the air inlet groove (113), the sliding rod (32) connected with the plugging barrel (31) and the connecting sleeve (33) fixedly connected with the piston (61), the sliding rod (32) is slidably connected with the connecting sleeve (33), the connecting piece (4) is arranged between the sliding rod (32) and the connecting sleeve (33), the accommodating groove (321) is formed in the sliding rod (32), the connecting piece (4) comprises a locking rod (41) slidably connected with the accommodating groove (321) and a locking spring (42) connected with the locking rod (41) and connected with the groove bottom of the accommodating groove (321), a locking hole (331) for the locking spring (42) to be inserted is formed in the connecting sleeve (33), an abutting rod (114) is fixedly connected with the inner wall of the sliding groove (121), and the abutting rod (114) abuts against the connecting sleeve (33) and is located on the axis of one side of the locking hole (331).

5. The energy efficient cable tray of claim 4, wherein: the utility model discloses a rotary drum, including rotary drum (5), shutoff section of thick bamboo (31), rotary drum (5) are located, spiral groove (51) have been seted up on rotary drum (5), spiral groove (51) length direction is followed rotary drum (5) direction of height sets up, fixedly connected with guide bar (311) on shutoff section of thick bamboo (31), follow on air inlet tank (113) lateral wall guide slot (115) have been seted up in air inlet tank (113) length direction, guide bar (311) run through spiral groove (51), sliding connection is in guide slot (115), shutoff section of thick bamboo (31) are kept away from adapter sleeve (33) one side is equipped with the opening, communication groove (312) have been seted up on shutoff section of thick bamboo (31) lateral wall.

6. The energy efficient cable tray of claim 5, wherein: the air inlet tank (113) tip fixedly connected with baffle (116), fixedly connected with conflict board (52) on rotary drum (5), conflict board (52) with baffle (116) are contradicted, inlet port (117) have been seted up on baffle (116), the rotatable shielding of conflict board (52) is in inlet port (117) department.

7. The energy efficient cable tray of claim 1, wherein: the communication valve (2) comprises a fixed plate (21) fixedly connected in a gas channel (111), a sealing plate (22) hinged on the inner wall of the gas channel (111) and a reset spring (23) connected between the sealing plate (22) and the inner wall of the gas channel (111), wherein the fixed plate (21) is connected on the side wall of the gas channel (111) away from one side of the cover plate (13), the sealing plate (22) is connected on the side wall of the gas channel (111) close to one side of the cover plate (13), the sealing plate (22) is positioned on one side of the center of the bottom plate (11) close to the fixed plate (21), and the sealing plate (22) is in contact with the fixed plate (21) under the thrust action of the reset spring (23).

8. The energy efficient cable tray of claim 7, wherein: the sealing plate (22) is provided with a sealing groove (212), the fixing plate (21) is connected with a connecting groove (211), and the sealing groove (212) is abutted to the side wall of the connecting groove (211).